function clean_mod(question,url) {
	var answer = confirm(question);
	if (answer){
		xhr = getXMLHTTP();
		if (xhr)  {    
			xhr.onreadystatechange = function(){
				if (xhr.readyState == 4) {
					if (xhr.status == 200) {
						alert(xhr.responseText);
						window.location.reload();
					}
					else { 
						alert("There was a problem while using XMLHTTP:\n");
					}
				}            
			}
			xhr.open("GET", 'ajax/clean_mod.php', false); //open url using get method
			xhr.send(null);
		}
	}
}
